linux-kernel - [PATCH v2 02/18] lib/stackdepot: use pr

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Message-Id: <3d09db0171a0e92ff3eb0ee74de74558bc9b56c4.1676063693.git.andreyknvl@google.com>
Date:   Fri, 10 Feb 2023 22:15:50 +0100
From:   andrey.konovalov@...ux.dev
To:     Marco Elver <elver@...gle.com>,
        Alexander Potapenko <glider@...gle.com>
Cc:     Andrey Konovalov <andreyknvl@...il.com>,
        Vlastimil Babka <vbabka@...e.cz>, kasan-dev@...glegroups.com,
        Evgenii Stepanov <eugenis@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Andrey Konovalov <andreyknvl@...gle.com>
Subject: [PATCH v2 02/18] lib/stackdepot: use pr_fmt to define message format

From: Andrey Konovalov <andreyknvl@...gle.com>

Use pr_fmt to define the format for printing stack depot messages instead
of duplicating the "Stack Depot" prefix in each message.

Reviewed-by: Alexander Potapenko <glider@...gle.com>
Signed-off-by: Andrey Konovalov <andreyknvl@...gle.com>
---
 lib/stackdepot.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/lib/stackdepot.c b/lib/stackdepot.c
index 4bfaf3bce619..83787e46a3ab 100644
--- a/lib/stackdepot.c
+++ b/lib/stackdepot.c
@@ -19,6 +19,8 @@
  * Based on code by Dmitry Chernenkov.
  */
 
+#define pr_fmt(fmt) "stackdepot: " fmt
+
 #include <linux/gfp.h>
 #include <linux/jhash.h>
 #include <linux/kernel.h>
@@ -98,7 +100,7 @@ static int __init is_stack_depot_disabled(char *str)
 
 	ret = kstrtobool(str, &stack_depot_disable);
 	if (!ret && stack_depot_disable) {
-		pr_info("Stack Depot is disabled\n");
+		pr_info("disabled\n");
 		stack_table = NULL;
 	}
 	return 0;
@@ -142,7 +144,7 @@ int __init stack_depot_early_init(void)
 						1UL << STACK_HASH_ORDER_MAX);
 
 	if (!stack_table) {
-		pr_err("Stack Depot hash table allocation failed, disabling\n");
+		pr_err("hash table allocation failed, disabling\n");
 		stack_depot_disable = true;
 		return -ENOMEM;
 	}
@@ -177,11 +179,11 @@ int stack_depot_init(void)
 		if (entries > 1UL << STACK_HASH_ORDER_MAX)
 			entries = 1UL << STACK_HASH_ORDER_MAX;
 
-		pr_info("Stack Depot allocating hash table of %lu entries with kvcalloc\n",
+		pr_info("allocating hash table of %lu entries with kvcalloc\n",
 				entries);
 		stack_table = kvcalloc(entries, sizeof(struct stack_record *), GFP_KERNEL);
 		if (!stack_table) {
-			pr_err("Stack Depot hash table allocation failed, disabling\n");
+			pr_err("hash table allocation failed, disabling\n");
 			stack_depot_disable = true;
 			ret = -ENOMEM;
 		}
-- 
2.25.1